Synchroflex同步带轮人字齿同步带轮配套锥套2517/2525/3020/3030型号的标准型号和尺寸型号内径键尺寸2517206×2.80226×2.80248×3.30258×3.30288×3.30308×3.303210×3.303510×3.303810×3.304012×3.304212×3.304514×3.804814×3.805014×3.805516×4.306018×4.40型号内径键尺寸2525206×2.80226×2.80248×3.30258×3.30288×3.30308×3.303210×3.303510×3.303810×3.304012×3.304212×3.304514×3.804814×3.805014×3.805516×4.306018×4.40型号内径键尺寸3020258×3.30288×3.30308×3.303210×3.303510×3.303810×3.304012×3.304212×3.304514×3.804814×3.805014×3.805516×4.306018×4.406518×4.407020×4.907520×4.90型号内径键尺寸3030258×3.30288×3.30308×3.303210×3.303510×3.303810×3.304012×3.304212×3.304514×3.804814×3.805014×3.805516×4.306018×4.406518×4.407020×4.907520×4.90)